Add link to previous blog post.

diff --git a/blog/data/2017-11-18-verk-i-det-fri-filmer.txt b/blog/data/2017-11-18-verk-i-det-fri-filmer.txt
index 3070e14601c3387151027aa759727ae2adf1d213..c3d588755cbaa8872044b55cca128864df97f87d 100644 (file)
--- a/blog/data/2017-11-18-verk-i-det-fri-filmer.txt
+++ b/blog/data/2017-11-18-verk-i-det-fri-filmer.txt
@@ -2,12 +2,13 @@ Title: Legal to share more than 3000 movies listed on IMDB?
 Tags: english, opphavsrett
 Date: 2017-11-18 21:20
 
-<p>A month ago, I blogged about my work to automatically check the
-copyright status of IMDB entries, and try to count the number of
-movies listed in IMDB that is legal to distribute on the Internet.  I
-have continued to look for good data sources, and identified a few
-more.  The code used to extract information from various data sources
-is available in
+<p>A month ago, I blogged about my work to
+<a href="http://people.skolelinux.org/pere/blog/Locating_IMDB_IDs_of_movies_in_the_Internet_Archive_using_Wikidata.html">automatically
+check the copyright status of IMDB entries</a>, and try to count the
+number of movies listed in IMDB that is legal to distribute on the
+Internet.  I have continued to look for good data sources, and
+identified a few more.  The code used to extract information from
+various data sources is available in
 <a href="https://github.com/petterreinholdtsen/public-domain-free-imdb">a
 git repository</a>, currently available from github.</p>